# -*- coding: utf-8 -*-
# Copyright (c) 2013, Eduard Broecker
# With contributions 2025, Gabriele Omodeo Vanone
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that
# the following conditions are met:
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#    Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
#    Redistributions in binary form must reproduce the above copyright notice,
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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from decimal import Decimal
from typing import Any

class FloatFactory:
    """helper-class to get the float-factory
    default: decimal.Decimal
    use set_float_factory() to set an alternative float-factory (e.g. 'float')

    usage-examples:
      - get a value using the float-factory: FloatFactory.get_float(7)
      - get the float-factory itself:        FloatFactory.get_float_factory()
      - set a new float-factory:             FloatFactory.set_float_factory(float)
      """

    _default_float_factory = Decimal
    _float_factory = None

    @classmethod
    def set_float_factory(cls, float_factory: callable):
        cls._float_factory = float_factory

    @classmethod
    def get_float_factory(cls):
        return cls._float_factory if cls._float_factory else cls._default_float_factory

    @classmethod
    def get_float(cls, value: Any):
        return cls.get_float_factory()(value)